Thyra_BelosLinearOpWithSolveFactory_decl.hpp

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//         Stratimikos: Thyra-based strategies for linear solvers
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#ifndef THYRA_BELOS_LINEAR_OP_WITH_SOLVE_FACTORY_DECL_HPP
#define THYRA_BELOS_LINEAR_OP_WITH_SOLVE_FACTORY_DECL_HPP
 
#include "Thyra_LinearOpWithSolveFactoryBase.hpp"
#include "Teuchos_StandardMemberCompositionMacros.hpp"
#include "Teuchos_StandardCompositionMacros.hpp"
 
namespace Teuchos { class ParameterList; }
 
namespace Thyra {
 
  enum EBelosSolverType {
    SOLVER_TYPE_BLOCK_GMRES,
    SOLVER_TYPE_PSEUDO_BLOCK_GMRES,
    SOLVER_TYPE_BLOCK_CG,
    SOLVER_TYPE_PSEUDO_BLOCK_CG,
    SOLVER_TYPE_PSEUDO_BLOCK_STOCHASTIC_CG,
    SOLVER_TYPE_GCRODR,
    SOLVER_TYPE_RCG,
    SOLVER_TYPE_MINRES,
    SOLVER_TYPE_TFQMR,
    SOLVER_TYPE_BICGSTAB,
    SOLVER_TYPE_FIXEDPOINT
  };
 
  inline std::istream& operator>>(
    std::istream& is, EBelosSolverType& sType)
  {
    int intval;
    is >> intval;
    sType = (EBelosSolverType)intval;
    return is;
  }
 
 
template<class Scalar>
class BelosLinearOpWithSolveFactory : public LinearOpWithSolveFactoryBase<Scalar> {
public:
 
  typedef typename Teuchos::ScalarTraits<Scalar>::magnitudeType  MagnitudeType;
 
 
 
  static const std::string  SolverType_name;
  static const std::string  SolverType_default;
  static const std::string  SolverTypes_name;
  static const std::string  BlockGMRES_name;
  static const std::string  PseudoBlockGMRES_name;
  static const std::string  BlockCG_name;
  static const std::string  PseudoBlockCG_name;
  static const std::string  PseudoBlockStochasticCG_name;
  static const std::string  GCRODR_name;
  static const std::string  RCG_name;
  static const std::string  MINRES_name;
  static const std::string  TFQMR_name;
  static const std::string  BiCGStab_name;
  static const std::string  FixedPoint_name;
  static const std::string  ConvergenceTestFrequency_name;
 
 
 
  BelosLinearOpWithSolveFactory();
 
  BelosLinearOpWithSolveFactory(
    const Teuchos::RCP<PreconditionerFactoryBase<Scalar> >      &precFactory
    );
 
 
  bool acceptsPreconditionerFactory() const;
  void setPreconditionerFactory(
    const Teuchos::RCP<PreconditionerFactoryBase<Scalar> >      &precFactory
    ,const std::string                                          &precFactoryName
    );
  Teuchos::RCP<PreconditionerFactoryBase<Scalar> > getPreconditionerFactory() const;
  void unsetPreconditionerFactory(
    Teuchos::RCP<PreconditionerFactoryBase<Scalar> >            *precFactory
    ,std::string                                                *precFactoryName
    );
  bool isCompatible( const LinearOpSourceBase<Scalar> &fwdOpSrc ) const;
  Teuchos::RCP<LinearOpWithSolveBase<Scalar> > createOp() const;
  void initializeOp(
    const Teuchos::RCP<const LinearOpSourceBase<Scalar> >       &fwdOpSrc
    ,LinearOpWithSolveBase<Scalar>                              *Op
    ,const ESupportSolveUse                                     supportSolveUse
    ) const;
  void initializeAndReuseOp(
    const Teuchos::RCP<const LinearOpSourceBase<Scalar> >       &fwdOpSrc
    ,LinearOpWithSolveBase<Scalar>                              *Op
    ) const;
  void uninitializeOp(
    LinearOpWithSolveBase<Scalar>                               *Op
    ,Teuchos::RCP<const LinearOpSourceBase<Scalar> >            *fwdOpSrc
    ,Teuchos::RCP<const PreconditionerBase<Scalar> >            *prec
    ,Teuchos::RCP<const LinearOpSourceBase<Scalar> >            *approxFwdOpSrc
    ,ESupportSolveUse                                           *supportSolveUse
    ) const;
  bool supportsPreconditionerInputType(const EPreconditionerInputType precOpType) const;
  void initializePreconditionedOp(
    const Teuchos::RCP<const LinearOpSourceBase<Scalar> >       &fwdOpSrc
    ,const Teuchos::RCP<const PreconditionerBase<Scalar> >      &prec
    ,LinearOpWithSolveBase<Scalar>                              *Op
    ,const ESupportSolveUse                                     supportSolveUse
    ) const;
  void initializeApproxPreconditionedOp(
    const Teuchos::RCP<const LinearOpSourceBase<Scalar> >       &fwdOpSrc
    ,const Teuchos::RCP<const LinearOpSourceBase<Scalar> >      &approxFwdOpSrc
    ,LinearOpWithSolveBase<Scalar>                              *Op
    ,const ESupportSolveUse                                     supportSolveUse
    ) const;
 
 
  void setParameterList(Teuchos::RCP<Teuchos::ParameterList> const& paramList);
  Teuchos::RCP<Teuchos::ParameterList> getNonconstParameterList();
  Teuchos::RCP<Teuchos::ParameterList> unsetParameterList();
  Teuchos::RCP<const Teuchos::ParameterList> getParameterList() const;
  Teuchos::RCP<const Teuchos::ParameterList> getValidParameters() const;
 
 
 
  std::string description() const;
 
 
private:
 
  // /////////////////////////
  // Private types
 
 
  // /////////////////////////
  // Private data members
 
  Teuchos::RCP<PreconditionerFactoryBase<Scalar> >  precFactory_;
  std::string                                       precFactoryName_;
  Teuchos::RCP<Teuchos::ParameterList>              thisValidParamList_;
  Teuchos::RCP<Teuchos::ParameterList>              paramList_;
  EBelosSolverType solverType_;
  int convergenceTestFrequency_;
 
  // /////////////////////////
  // Private member functions
 
  static Teuchos::RCP<const Teuchos::ParameterList> generateAndGetValidParameters();
 
  void updateThisValidParamList();
 
  void initializeOpImpl(
    const Teuchos::RCP<const LinearOpSourceBase<Scalar> >       &fwdOpSrc
    ,const Teuchos::RCP<const LinearOpSourceBase<Scalar> >      &approxFwdOpSrc
    ,const Teuchos::RCP<const PreconditionerBase<Scalar> >      &prec
    ,const bool                                                 reusePrec
    ,LinearOpWithSolveBase<Scalar>                              *Op
    ,const ESupportSolveUse                                     supportSolveUse
    ) const;
 
};
 
 
} // namespace Thyra
 
#endif // THYRA_BELOS_LINEAR_OP_WITH_SOLVE_FACTORY_DECL_HPP